From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 695AE606D82B for ; Mon, 9 Nov 2026 09:24:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=gaWiuAxA; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RV6f4qcJ DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=cNFD8zbRoLqcBaLpUrUz65qzQQyXXiRBbh/ZFm+g/0E=; b=gaWiuAxAgu/2xw+FB+EGOJ/dC9 tobwovhlRL9LJBeRkdxZtM6XUt2CVPV8tFDNMfWk3wgq/qIiuJn4+21wV/wiWpa96nyhdmKS2ukYy w54ueB8hteg1NBPgF1nP8oAUd/+vaWcJ6XD/n52vPEwSQ1JfPk5mI1SGSgFbUmS+QWcPgq83MRGWm lDNDPu9WGR8p7/R3fanSSHyQkqBueMFHB4l0t0usdTIYUwZMxNv4roX8w7rren3mCsDWFD0A1NyZi v15fPFA70rVtlbhlut+eLXatnR20Gsk8HNI3cPgSOc+S6iABzhSWQaADlPx6nkZB9tJpi2IRqKvYl JqjSdQ7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQLc5-00000000Fa4-1wtj; Mon, 09 Nov 2026 09:24:29 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQLc4-00000000FYv-0cwb; Mon, 09 Nov 2026 09:24:28 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 8F02F40710; Mon, 9 Nov 2026 09:24:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17E841F00921; Mon, 9 Nov 2026 09:24:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794216267; bh=cNFD8zbRoLqcBaLpUrUz65qzQQyXXiRBbh/ZFm+g/0E=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=RV6f4qcJIjlbsx8FxA1gxmtGOYGrqDAqHaEFkjDmVEvh9lKtryFCfIVBh2Syv+Nm5 3pWfPBY0jOJrkRMONpLfK9G4EHDraDOfXd+MhXzuTpE2P9tsEthfMKFGmOQLCDYlzs SrJGyjebs3ZRk2dtFEh1jcZAgMmA+UzzkSel7YKXk43VbE4n0QFjoaKPOUMpS0lDnO 15H2VQcUneTXTIQ+aMXnT45PaTd+sHwAGhegff5F4dk8O3hpM+u4GKIrR7OGwG4/2J uogUUW4aLsfTJs2ixdi0HB3c3kaLECdnu2Awi3Rgj9GQOwpEjUI4amOtG6CTKVQEMx rIaJ9//B6Yzjg== Date: Mon, 9 Nov 2026 10:24:19 +0100 From: "Oscar Salvador (SUSE)" To: Muchun Song Cc: David Hildenbrand , Madhavan Srinivasan , Mike Rapoport , Andrew Morton , Lance Yang , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Ritesh Harjani , Shrikanth Hegde , Oscar Salvador , Qi Zheng , Muchun Song , Huacai Chen , WANG Xuerui , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org Subject: Re: [PATCH v3 5/5] mm/sparse-vmemmap: drop @pgmap from vmemmap population APIs Message-ID: References: <20261107043122.25650-1-songmuchun@bytedance.com> <20261107043122.25650-6-songmuchun@bytedance.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261107043122.25650-6-songmuchun@bytedance.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Sat, Nov 07, 2026 at 12:31:22PM +0800, Muchun Song wrote: > The vmemmap population and memory hotplug paths no longer need @pgmap > to decide whether a mapping can be optimized. That state is now carried > in mem_section, and the architecture-specific population code can make > the remaining decisions internally. > > Drop the @pgmap parameter from the vmemmap population helpers and the > related memory hotplug interfaces, and remove the remaining > dev_pagemap-specific coupling from those call chains. > > Signed-off-by: Muchun Song Reviewed-by: Oscar Salvador (SUSE) -- Oscar Salvador SUSE Labs